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ZA9810982B - Process and plant for the reduction of metal-oxide-bearing material - Google Patents

Process and plant for the reduction of metal-oxide-bearing material

Info

Publication number
ZA9810982B
ZA9810982B ZA9810982A ZA9810982A ZA9810982B ZA 9810982 B ZA9810982 B ZA 9810982B ZA 9810982 A ZA9810982 A ZA 9810982A ZA 9810982 A ZA9810982 A ZA 9810982A ZA 9810982 B ZA9810982 B ZA 9810982B
Authority
ZA
South Africa
Prior art keywords
plant
oxide
reduction
metal
bearing material
Prior art date
Application number
ZA9810982A
Inventor
Gerald Rosenfellner
Joerg Diehl
Original Assignee
Voest Alpine Ind Anlagen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voest Alpine Ind Anlagen filed Critical Voest Alpine Ind Anlagen
Publication of ZA9810982B publication Critical patent/ZA9810982B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/66—Heat exchange
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • Manufacture Of Iron (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
ZA9810982A 1997-12-05 1998-12-01 Process and plant for the reduction of metal-oxide-bearing material ZA9810982B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0207597A AT406270B (en) 1997-12-05 1997-12-05 METHOD AND SYSTEM FOR REDUCING METAL OXIDE CONTAINING MATERIAL

Publications (1)

Publication Number Publication Date
ZA9810982B true ZA9810982B (en) 1999-06-01

Family

ID=3527246

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9810982A ZA9810982B (en) 1997-12-05 1998-12-01 Process and plant for the reduction of metal-oxide-bearing material

Country Status (5)

Country Link
US (1) US6214082B1 (en)
KR (1) KR19990062653A (en)
AT (1) AT406270B (en)
DE (1) DE19854632A1 (en)
ZA (1) ZA9810982B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8518146B2 (en) 2009-06-29 2013-08-27 Gb Group Holdings Limited Metal reduction processes, metallurgical processes and products and apparatus
JP5630222B2 (en) * 2010-11-10 2014-11-26 新日鐵住金株式会社 Operation method of direct reduction furnace using preheated raw material
EP3763832A1 (en) * 2019-07-08 2021-01-13 Primetals Technologies Austria GmbH Sealing of a reduction unit
US11655511B2 (en) * 2020-06-23 2023-05-23 Midrex Technologies, Inc. Seal gas optimization systems and methods for a direct reduction process
SE547205C2 (en) * 2022-07-07 2025-05-27 Hybrit Development Ab Arrangement and process for charging iron ore to, and/or discharging sponge iron from, a direct reduction shaft
EP4379069A1 (en) * 2022-11-30 2024-06-05 Primetals Technologies Austria GmbH Hydrogen-based fluidized bed reduction

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2862808A (en) * 1957-07-31 1958-12-02 Alan N Mann Apparatus and method for reducing iron oxide pellets
US3850616A (en) 1973-10-29 1974-11-26 Armco Steel Corp Inert gas seal for product discharge from a shaft furnace
US4212452A (en) * 1979-04-30 1980-07-15 Jack Hsieh Apparatus for the direct reduction of iron ore
US4248626A (en) 1979-07-16 1981-02-03 Midrex Corporation Method for producing molten iron from iron oxide with coal and oxygen
US4270740A (en) 1979-07-16 1981-06-02 Midrex Corporation Apparatus for producing molten iron by submerged combustion
US4606761A (en) 1983-11-29 1986-08-19 Union Steel Corp. (of So. Africa) Ltd. Reduction of metal compounds
DE3432090C2 (en) 1984-08-28 1986-11-27 Korf Engineering GmbH, 4000 Düsseldorf Method and device for the direct reduction of sulfur-containing iron ores
AT387403B (en) 1987-06-15 1989-01-25 Voest Alpine Ag Process and installation for producing liquid pig iron or primary steel products from lumpy charge materials which contain iron ore
AT389124B (en) 1987-09-17 1989-10-25 Voest Alpine Ag Process and installation for producing liquid pig iron or primary steel products from lumpy charge materials which contain iron ore
US5069716A (en) 1989-12-22 1991-12-03 C.V.G. Siderurgica Del Orinoco, C.A. Process for the production of liquid steel from iron containing metal oxides
DE4041689C2 (en) 1990-04-20 1995-11-09 Orinoco Siderurgica Process and plant for producing liquid steel from iron oxides
DE19525270C2 (en) 1994-07-13 1999-08-26 Int Steel Ind Engineering Co Process for the production of pig iron from iron oxides

Also Published As

Publication number Publication date
DE19854632A1 (en) 1999-06-10
ATA207597A (en) 1999-08-15
US6214082B1 (en) 2001-04-10
KR19990062653A (en) 1999-07-26
AT406270B (en) 2000-03-27

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